Drilling Product Catalog

Recommended Drilling Data | Metric (mm) DRILLING | T-A® Replaceable Insert Drilling System

GEN2 T-A | HIGH-SPEED STEEL

Speed ( m/min )

Feed Rate ( mm/rev ) by Diameter

Y/Z Series 0 Series 9.50 mm - 12.97 mm 12.98 mm - 17.67 mm

Hardness (BHN) 100 - 150 150 - 200 200 - 250 85 - 125 125 - 175 175 - 225 225 - 275 125 - 175 175 - 225 225 - 275 275 - 325 125 - 175 175 - 225 225 - 275 275 - 325 325 - 375 225 - 300 300 - 350 350 - 400 100 - 150 150 - 250 250 - 350 150 - 200 200 - 250 185 - 275 275 - 350 135 - 185 185 - 275 135 - 185 185 - 275 120 - 150 150 - 200 200 - 220 220 - 260 260 - 320

ISO Material

HSS Grade

TiN AM200®

Free-Machining Steel 1118, 1215, 12L14, etc.

HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS

61 55 49 52 49 46 43 49 46 43 40 46 43 40 37 34 24 18 15 43 37 30 24 18 23 18 23 18 18 15 52 46 40 34 27 91 52 40 91 40 11 10 23 18 14 10 15 10 9 8 91

99 91 85 88 83 79 73 83 79 73 68 73 68 64 59 54 38 30 24 71 57 48 38 32 35 31 35 31 26 22 84 79 68 57 47 — — 58 13 12 16 15 35 31 21 14 29 14 82 65

0.20 0.18 0.15 0.20 0.18 0.15 0.13 0.18 0.15 0.15 0.13 0.18 0.15 0.15 0.13 0.10 0.15 0.13 0.10 0.20 0.15 0.13 0.10 0.10 0.15 0.13 0.08 0.08 0.08 0.08 0.20 0.18 0.15 0.13 0.13 0.23 0.20 0.12 0.12 0.15 0.12 0.18 0.07 0.10 0.10 0.10 0.08 0.15 0.13 0.08 0.05 0.10 0.06

0.30 0.28 0.25 0.25 0.25 0.23 0.23 0.25 0.23 0.23 0.20 0.25 0.23 0.23 0.20 0.18 0.23 0.20 0.18 0.28 0.25 0.23 0.18 0.18 0.20 0.18 0.18 0.15 0.18 0.15 0.30 0.28 0.23 0.20 0.18 0.38 0.33 0.33 0.18 0.24 0.18 0.27 0.10 0.18 0.15 0.18 0.15 0.20 0.18 0.15 0.12 0.15 0.12 —

Low-Carbon Steel 1010, 1020, 1025, 1522, 1144, etc.

Medium-Carbon Steel 1030, 1040, 1050, 1527, 1140, 1151, etc.

SC, PC

Alloy Steel 4140, 5140, 8640, etc.

P A30

SC, PC SC, PC SC, PC SC, PC

High-Strength Alloy 4340, 4330V, 300M, etc.

PC

Structural Steel A36, A285, A516, etc.

HSS HSS

SC, PC

SC

Tool Steel H-13, H-21, A-4, S-3, etc. Stainless Steel 400 Series 416, 420, etc. Stainless Steel 300 Series 304, 316, 17-4PH, etc. Super Duplex Stainless Steel

SC, PC SC, PC SC, PC SC, PC SC, PC SC, PC SC, PC

M

SG / Nodular Cast Iron

HSS HSS HSS

K

SC, PC SC, PC

Cast Aluminum

30

HSS HSS HSS HSS

183

180

Wrought Aluminum

30

183

280 200

180

N

Aluminum Bronze

100 - 200 200 - 250

SC SC

Brass Copper

100

HSS

144

60

SC

High-Temp Alloy Hastelloy® B, Inconel® 600, etc.

140 - 220 220 - 310 140 - 220 220 - 310 185 - 275 275 - 350

SC, PC

PC

Titanium Alloy

SC, PC

S

PC

Aerospace Alloy S82

SC, PC SC, PC SC, PC

Wear Plate Hardox®, AR400, T-1, etc.

400 500 600

PC

N/A

— —

—

H

Hardened Steel

300 - 400 400 - 500

PC PC

Contact our Application Engineering department for assistance when machining these materials.

Deep Hole Drilling Speed and Feed Adjustment Values Holder Length Extended Long Long Plus XL 3XL Speed 0.90 0.85 0.80 0.80 0.75 Feed - 0.95 0.90 0.90 0.90

Recommended Speed and Feed Example (3XL) Data • Adjustment Value =

Recommendation for Deep Holes

Speed

50 m/min •

0.75

= 37.5 m/min

Feed 0.20 mm/rev •

0.90 = 0.18 mm/rev

IMPORTANT: The speeds and feeds listed above are a general starting point for all applications. Refer to the Coolant Recommendation charts for coolant requirements to run at the recommended speeds and feeds. Factory technical assistance is available through our Application Engineering department. See adjustment examples above.

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